TitrateLab · Certificate of Analysis

Testosterone — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Purity Blend Blend tests measure quantity per component, not overall purity — a purity assay for a multi-peptide sample needs separate chromatographic runs.
Dose vs label No quantity measurement on this report.
Evidence Artifact captured Blend
AI summary

Testosterone blend (QSC batch 2026 production) analyzed at 278.27 mg/ml total concentration across four ester forms; no purity or endotoxin data reported.

Test date
2026-06-08
Testing lab
QSC
Batch / lot
2026 production
Quantity
Endotoxins
Assay method
Label dose
250mg
Context

How this result compares

We have catalogued 19 Testosterone certificates; across the 5 with a purity result the median tested purity is 93.68%.

Tested 2026-06-08 by QSC. This is the most recent Testosterone certificate on file.

Qingdao Sigma Chemical has 514 certificates in our corpus, including 1 for Testosterone.

Manufacturer
Qingdao Sigma Chemical
View vendor profile
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Community submission

Artifact captured

Submitted by distilled-oryx-12 +459

We have the certificate image — you can verify it loads from the upstream lab and matches the artifact shown here.

Dose
250mg
Catalogued
2026-07-11
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.

TEST REPORT
JANOSHIK
E-mail: [EMAIL_REDACTED]
Web: www.janoshik.com
Task Number #165301
Testing ordered > 18 MAY '26
Sample received > 01 JUN '26
Client Telegram @tracyfromqsc
[NAME_REDACTED] 250mg
Manufacturer QSC
Batch 2026 production
Sample description >
See picture or pictures attached.
Tests requested >
Blind common anabolic steroid screening - oils
Results >
Total concentration of testosterone esters 278.27 mg/ml
Comments >
32.12 mg/ml Testosterone Propionate; 66.43 mg/ml Testosterone Phenylpropionate;
65.33 mg/ml Testosterone Isocaproate; 114.39 mg/ml Testosterone Decanoate.
Analysis conducted > 08 JUN 2026
Signature >
Verify this test at www.janoshik.com/verify/ with the following unique key
NULZK997VXYG
Related

Other Testosterone certificates

This certificate is part of TitrateLab's community-trust corpus. See more from Qingdao Sigma Chemical or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →